Joint #4 - Replacing The Motor - Epson C12 Series Manipulator Manual

Maintenance 8. Joint #4

8.1 Joint #4 - Replacing the Motor

Maintenance AC servo motor 150 W
Parts
Belt tensile jig*
Hexagonal
wrench
Tools
Cross-point screwdriver (#2)
Feeler gauge (0.5 mm)
Belt tension meter
* The belt tensile jig is an assembly jig. Use the jig when adjusting belt tension.
The brake is mounted on each joint to prevent the arm from lowering due to its own weight while the
Controller power is OFF or the motor is OFF status. The brake does not work during replacement.
Be careful when performing maintenance work.
NOTE The motors are common for Joints #4, #5, and #6.

The Joints #5 and #6 motors have an identification label for preventing misconnection of the connectors.
The label is not necessary for the Joint #4 motor. (There is no connector identification label for the
Joint #4.)
224
Name
width across flats: 2 mm
width across flats: 2.5 mm
width across flats: 3 mm
Qty.
2206705
1
(common to Joints #4, #5, #6)
1 1674582
1 For M4 hexagon socket set screws
1 For M3 hexagon socket head cap bolts
1 For M4 hexagon socket head cap bolts
1 For cross recessed head screws
2 For pulley position adjustment
1 Refer: Unitta U-505
Note
C12 Rev.3